Java Code Examples for java.net.httpurlconnection#HTTP_UNAVAILABLE

private ServiceInvocationException getServiceInvocationException(final Throwable error) {

        if (error instanceof ServiceInvocationException) {
            return (ServiceInvocationException) error;
        } else if (error instanceof ReplyException) {
            final ReplyException ex = (ReplyException) error;
            switch (ex.failureType()) {
            case TIMEOUT:
                return new ServerErrorException(
                        HttpURLConnection.HTTP_UNAVAILABLE,
                        "request could not be processed at the moment");
            default:
                return new ServerErrorException(HttpURLConnection.HTTP_INTERNAL_ERROR);
            }
        } else {
            return new ServerErrorException(HttpURLConnection.HTTP_INTERNAL_ERROR);
        }
    }
 

public void testRequestWasSuccessful_unsuccessfulStatusCodes() {
  // 204 and 205 are considered unsuccessful in this case, and 206 should never happen. Also
  // test with some of the other common status codes (these are ones that our backend has
  // been known to return).
  final int[] statusCodes = {
    HttpURLConnection.HTTP_NO_CONTENT,
    HttpURLConnection.HTTP_RESET,
    HttpURLConnection.HTTP_PARTIAL,
    HttpURLConnection.HTTP_BAD_REQUEST,
    HttpURLConnection.HTTP_UNAUTHORIZED,
    HttpURLConnection.HTTP_FORBIDDEN,
    HttpURLConnection.HTTP_NOT_FOUND,
    HttpURLConnection.HTTP_NOT_ACCEPTABLE,
    HttpURLConnection.HTTP_INTERNAL_ERROR,
    HttpURLConnection.HTTP_BAD_GATEWAY,
    HttpURLConnection.HTTP_UNAVAILABLE,
    HttpURLConnection.HTTP_GATEWAY_TIMEOUT
  };
  for (int statusCode : statusCodes) {
    assertFalse(defaultSettingsSpiCall.requestWasSuccessful(statusCode));
  }
}
 

private SaslOutcome getSaslOutcomeForErrorStatus(final int status) {
    final SaslOutcome saslOutcome;
    switch (status) {
        case HttpURLConnection.HTTP_BAD_REQUEST:
        case HttpURLConnection.HTTP_UNAUTHORIZED:
            // failed due to an authentication error
            saslOutcome = SaslOutcome.PN_SASL_AUTH;
            break;
        case HttpURLConnection.HTTP_INTERNAL_ERROR:
            // failed due to a system error
            saslOutcome = SaslOutcome.PN_SASL_SYS;
            break;
        case HttpURLConnection.HTTP_UNAVAILABLE:
            // failed due to a transient error
            saslOutcome = SaslOutcome.PN_SASL_TEMP;
            break;
        default:
            if (status >= 400 && status < 500) {
                // client error
                saslOutcome = SaslOutcome.PN_SASL_PERM;
            } else {
                saslOutcome = SaslOutcome.PN_SASL_TEMP;
            }
    }
    return saslOutcome;
}
 

private static MqttConnectReturnCode getConnectReturnCode(final Throwable e) {

        if (e instanceof MqttConnectionException) {
            return ((MqttConnectionException) e).code();
        } else if (e instanceof ServiceInvocationException) {
            switch (((ServiceInvocationException) e).getErrorCode()) {
            case HttpURLConnection.HTTP_UNAUTHORIZED:
            case HttpURLConnection.HTTP_NOT_FOUND:
                return MqttConnectReturnCode.CONNECTION_REFUSED_BAD_USER_NAME_OR_PASSWORD;
            case HttpURLConnection.HTTP_UNAVAILABLE:
                return MqttConnectReturnCode.CONNECTION_REFUSED_SERVER_UNAVAILABLE;
            default:
                return MqttConnectReturnCode.CONNECTION_REFUSED_NOT_AUTHORIZED;
            }
        } else {
            return MqttConnectReturnCode.CONNECTION_REFUSED_NOT_AUTHORIZED;
        }
    }
 

/**
 * Verifies that an attempt to open a command consumer fails if the peer
 * rejects to open a receiver link.
 *
 * @param ctx The test context.
 */
@Test
public void testCreateCommandConsumerFailsIfPeerRejectsLink(final VertxTestContext ctx) {

    final Handler<CommandContext> commandHandler = VertxMockSupport.mockHandler();
    final ServerErrorException ex = new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE);
    when(connection.createReceiver(
            anyString(),
            any(ProtonQoS.class),
            any(ProtonMessageHandler.class),
            anyInt(),
            anyBoolean(),
            VertxMockSupport.anyHandler()))
    .thenReturn(Future.failedFuture(ex));

    commandConsumerFactory.createCommandConsumer(tenantId, deviceId, commandHandler, null, null)
        .onComplete(ctx.failing(t -> {
            ctx.verify(() -> assertThat(((ServiceInvocationException) t).getErrorCode()).isEqualTo(HttpURLConnection.HTTP_UNAVAILABLE));
            ctx.completeNow();
        }));
}
 

@JsonIgnore
default int getSuggestedHTTPStatusCode() {
	switch (getResult()) {
	case OK:
	case WARNING:
		return HttpURLConnection.HTTP_OK;
	case UNKNOWN:
	default:
	case UNAVAILABLE:
	case ERROR:
	case CRITICAL:
	case MAINTENANCE:
		return HttpURLConnection.HTTP_UNAVAILABLE;
	}
}
 

public void testError()
{
	for(int i = 0; i < 600; ++i)
	{
		RuntimeException e = OsmApiErrorFactory.createError(i, "test", "description");
		
		if(i >= 400 && i < 500) assertTrue(e instanceof OsmApiException);
		else assertTrue(e instanceof OsmConnectionException);
		
		switch(i)
		{
			case HttpURLConnection.HTTP_UNAVAILABLE:
				assertTrue(e instanceof OsmServiceUnavailableException);
				break;
			case HttpURLConnection.HTTP_NOT_FOUND:
			case HttpURLConnection.HTTP_GONE:
				assertTrue(e instanceof OsmNotFoundException);
				break;
			case HttpURLConnection.HTTP_FORBIDDEN:
				assertTrue(e instanceof OsmAuthorizationException);
				break;
			case HttpURLConnection.HTTP_CONFLICT:
				assertTrue(e instanceof OsmConflictException);
				break;
			case HttpURLConnection.HTTP_BAD_REQUEST:
				assertTrue(e instanceof OsmBadUserInputException);
				break;
		}
	}
}
 

/**
 * Verifies that the handler returns the status code conveyed in a
 * failed Tenant service invocation in the response.
 *
 * @param ctx The vert.x test context.
 * @throws SSLPeerUnverifiedException if the client certificate cannot be determined.
 */
@Test
public void testHandleFailsWithStatusCodeFromAuthProvider(final VertxTestContext ctx) throws SSLPeerUnverifiedException {

    // GIVEN an auth handler configured with an auth provider that
    // fails with a 503 error code during authentication
    final ServiceInvocationException error = new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE);
    when(clientAuth.validateClientCertificate(any(Certificate[].class), (SpanContext) any())).thenReturn(Future.failedFuture(error));

    // WHEN trying to authenticate a request that contains a client certificate
    final X509Certificate clientCert = getClientCertificate("CN=device", "CN=tenant");
    final SSLSession sslSession = mock(SSLSession.class);
    when(sslSession.getPeerCertificates()).thenReturn(new X509Certificate[] { clientCert });

    final MqttEndpoint endpoint = mock(MqttEndpoint.class);
    when(endpoint.isSsl()).thenReturn(true);
    when(endpoint.sslSession()).thenReturn(sslSession);

    final MqttContext context = MqttContext.fromConnectPacket(endpoint);
    authHandler.authenticateDevice(context)
        // THEN the request context is failed with the 503 error code
        .onComplete(ctx.failing(t -> {
            ctx.verify(() -> {
                assertThat(t).isEqualTo(error);
            });
            ctx.completeNow();
        }));
}
 

private void failConnectionAttempt(final Throwable connectionFailureCause, final Handler<AsyncResult<HonoConnection>> connectionHandler) {

        log.info("stopping connection attempt to server [{}:{}, role: {}] due to terminal error",
                connectionFactory.getHost(),
                connectionFactory.getPort(),
                connectionFactory.getServerRole(),
                connectionFailureCause);

        final ServiceInvocationException serviceInvocationException;
        if (connectionFailureCause == null) {
            serviceInvocationException = new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE,
                    "failed to connect");
        } else if (connectionFailureCause instanceof AuthenticationException) {
            // wrong credentials?
            serviceInvocationException = new ClientErrorException(HttpURLConnection.HTTP_UNAUTHORIZED,
                    "failed to authenticate with server");
        } else if (connectionFailureCause instanceof MechanismMismatchException) {
            serviceInvocationException = new ClientErrorException(HttpURLConnection.HTTP_UNAUTHORIZED,
                    "no suitable SASL mechanism found for authentication with server");
        } else if (connectionFailureCause instanceof SSLException) {
            serviceInvocationException = new ClientErrorException(HttpURLConnection.HTTP_BAD_REQUEST,
                    "TLS handshake with server failed: " + connectionFailureCause.getMessage(), connectionFailureCause);
        } else {
            serviceInvocationException = new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE,
                    "failed to connect", connectionFailureCause);
        }
        connectionHandler.handle(Future.failedFuture(serviceInvocationException));
    }
 

public byte[] send(byte[] request) {
  // TODO back-off policy?
  while (true) {
    try {
      final HttpURLConnection connection = openConnection();
      connection.setRequestMethod("POST");
      connection.setDoInput(true);
      connection.setDoOutput(true);
      try (DataOutputStream wr = new DataOutputStream(connection.getOutputStream())) {
        wr.write(request);
        wr.flush();
        wr.close();
      }
      final int responseCode = connection.getResponseCode();
      final InputStream inputStream;
      if (responseCode == HttpURLConnection.HTTP_UNAVAILABLE) {
        // Could be sitting behind a load-balancer, try again.
        continue;
      } else if (responseCode != HttpURLConnection.HTTP_OK) {
        inputStream = connection.getErrorStream();
        if (inputStream == null) {
          // HTTP Transport exception that resulted in no content coming back
          throw new RuntimeException("Failed to read data from the server: HTTP/" + responseCode);
        }
      } else {
        inputStream = connection.getInputStream();
      }
      return AvaticaUtils.readFullyToBytes(inputStream);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
}
 

private void getVisitCookie(String url, String ua) throws IOException {
    URL connUrl = new URL(url);
    mGetMainConn = (HttpURLConnection) connUrl.openConnection();
    mGetMainConn.setRequestMethod("GET");
    mGetMainConn.setConnectTimeout(CONN_TIMEOUT);
    mGetMainConn.setReadTimeout(CONN_TIMEOUT);
    mGetMainConn.setRequestProperty("user-agent",ua);
    mGetMainConn.setRequestProperty("accept",ACCEPT);
    mGetMainConn.setRequestProperty("referer", url);
    if (mCookieList!=null&&mCookieList.size()>0){
        mGetMainConn.setRequestProperty("cookie", ConvertUtil.listToString(mCookieList));
    }
    mGetMainConn.setUseCaches(false);
    mGetMainConn.connect();
    switch (mGetMainConn.getResponseCode()){
        case HttpURLConnection.HTTP_OK:
            if (mCookieList == null || mCookieList.size() == 0){
                mCookieList = mCookieManager.getCookieStore().getCookies();
                checkCookie(mCookieList);
            }
            canVisit = true;
            break;
        case HttpURLConnection.HTTP_MOVED_PERM:
        case HttpURLConnection.HTTP_MOVED_TEMP:
            hasNewUrl = true;
            break;
        case HttpURLConnection.HTTP_FORBIDDEN:
        case HttpURLConnection.HTTP_UNAVAILABLE:
            break;
        default:
            LogUtil.e("MainUrl","UnCatch Http code: "+mGetMainConn.getResponseCode());
            break;
    }
}
 

@Test
public void testThrottledRequest() throws Exception {
    final String rawResponse = loadTestFile("Throttled.xml");
    final ResponseData response = new ResponseData(HttpURLConnection.HTTP_UNAVAILABLE, rawResponse);
    try {
        Parser.marshalXML(ErrorResponse.class, response);
        Assert.fail();
    } catch (AmazonServiceException e) {
        Assert.assertEquals(e.getResponseXml(), rawResponse);
        Assert.assertEquals(e.getStatusCode(), HttpURLConnection.HTTP_UNAVAILABLE);
        Assert.assertEquals(e.getErrorCode(), "RequestThrottled");
        Assert.assertEquals(e.getRequestId(), "d702fd8e-206f-4da4-95e0-1e7422474077");
    }
}
 

/**
 * Verifies that the handler returns the status code conveyed in a
 * failed {@code AuthProvider} invocation in the response.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testHandleFailsWithStatusCodeFromAuthProvider() {

    // GIVEN an auth handler configured with an auth provider that
    // fails with a 503 error code during authentication
    final ServiceInvocationException error = new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE);
    doAnswer(invocation -> {
        final Handler handler = invocation.getArgument(1);
        handler.handle(Future.failedFuture(error));
        return null;
    }).when(authProvider).authenticate(any(JsonObject.class), any(Handler.class));

    // WHEN trying to authenticate a request using the HTTP BASIC scheme
    final String authorization = new StringBuffer()
            .append("BASIC ")
            .append(Base64.getEncoder().encodeToString("user:password".getBytes(StandardCharsets.UTF_8)))
            .toString();
    final MultiMap headers = mock(MultiMap.class);
    when(headers.get(eq(HttpHeaders.AUTHORIZATION))).thenReturn(authorization);
    final HttpServerRequest req = mock(HttpServerRequest.class);
    when(req.headers()).thenReturn(headers);
    final HttpServerResponse resp = mock(HttpServerResponse.class);
    final RoutingContext ctx = mock(RoutingContext.class);
    when(ctx.request()).thenReturn(req);
    when(ctx.response()).thenReturn(resp);
    authHandler.handle(ctx);

    // THEN the request context is failed with the 503 error code
    verify(ctx).fail(error);
}
 

private void sendUpdate(List<SDCMetricsJson> sdcMetricsJsonList) throws StageException {
  int delaySecs = 1;
  int attempts = 0;
  while (attempts < retryAttempts || retryAttempts == -1) {
    if (attempts > 0) {
      delaySecs = delaySecs * 2;
      delaySecs = Math.min(delaySecs, 60);
      LOG.warn("Post attempt '{}', waiting for '{}' seconds before retrying ...",
        attempts, delaySecs);
      StatsUtil.sleep(delaySecs);
    }
    attempts++;
    Response response = null;
    try {
      response = target.request()
        .header(SSOConstants.X_REST_CALL, SSOConstants.SDC_COMPONENT_NAME)
        .header(SSOConstants.X_APP_AUTH_TOKEN, sdcAuthToken.replaceAll("(\\r|\\n)", ""))
        .header(SSOConstants.X_APP_COMPONENT_ID, sdcId)
        .post(
          Entity.json(
            sdcMetricsJsonList
          )
        );
      if (response.getStatus() == HttpURLConnection.HTTP_OK) {
        return;
      } else if (response.getStatus() == HttpURLConnection.HTTP_UNAVAILABLE) {
        LOG.warn("Error writing to time-series app: DPM unavailable");
        // retry
      } else if (response.getStatus() == HttpURLConnection.HTTP_FORBIDDEN) {
        // no retry in this case
        String errorResponseMessage = response.readEntity(String.class);
        LOG.error(Utils.format(Errors.HTTP_02.getMessage(), errorResponseMessage));
        throw new StageException(Errors.HTTP_02, errorResponseMessage);
      } else {
        String responseMessage = response.readEntity(String.class);
        LOG.error(Utils.format(Errors.HTTP_02.getMessage(), responseMessage));
        //retry
      }
    } catch (Exception ex) {
      LOG.error(Utils.format(Errors.HTTP_02.getMessage(), ex.toString(), ex));
      // retry
    } finally {
      if (response != null) {
        response.close();
      }
    }
  }
  // no success after retry
  throw new StageException(Errors.HTTP_03, retryAttempts);
}
 

/**
 * Map from HTTP status code to reason description.
 * Sentry HTTP breadcrumbs expect a text description of the HTTP status-code.
 * This function implements a look-up table with a default value for unknown status-codes.
 * @param statusCode an integer HTTP status code, expected to be in the range [200,505].
 * @return a non-empty string in all cases.
 */
private static String httpReason(int statusCode) {
    switch (statusCode) {
        // 2xx
        case HttpURLConnection.HTTP_OK: return "OK";
        case HttpURLConnection.HTTP_CREATED: return "Created";
        case HttpURLConnection.HTTP_ACCEPTED: return "Accepted";
        case HttpURLConnection.HTTP_NOT_AUTHORITATIVE: return "Non-Authoritative Information";
        case HttpURLConnection.HTTP_NO_CONTENT: return "No Content";
        case HttpURLConnection.HTTP_RESET: return "Reset Content";
        case HttpURLConnection.HTTP_PARTIAL: return "Partial Content";

        // 3xx
        case HttpURLConnection.HTTP_MULT_CHOICE: return "Multiple Choices";
        case HttpURLConnection.HTTP_MOVED_PERM: return "Moved Permanently";
        case HttpURLConnection.HTTP_MOVED_TEMP: return "Temporary Redirect";
        case HttpURLConnection.HTTP_SEE_OTHER: return "See Other";
        case HttpURLConnection.HTTP_NOT_MODIFIED: return "Not Modified";
        case HttpURLConnection.HTTP_USE_PROXY: return "Use Proxy";

        // 4xx
        case HttpURLConnection.HTTP_BAD_REQUEST: return "Bad Request";
        case HttpURLConnection.HTTP_UNAUTHORIZED: return "Unauthorized";
        case HttpURLConnection.HTTP_PAYMENT_REQUIRED: return "Payment Required";
        case HttpURLConnection.HTTP_FORBIDDEN: return "Forbidden";
        case HttpURLConnection.HTTP_NOT_FOUND: return "Not Found";
        case HttpURLConnection.HTTP_BAD_METHOD: return "Method Not Allowed";
        case HttpURLConnection.HTTP_NOT_ACCEPTABLE: return "Not Acceptable";
        case HttpURLConnection.HTTP_PROXY_AUTH: return "Proxy Authentication Required";
        case HttpURLConnection.HTTP_CLIENT_TIMEOUT: return "Request Time-Out";
        case HttpURLConnection.HTTP_CONFLICT: return "Conflict";
        case HttpURLConnection.HTTP_GONE: return "Gone";
        case HttpURLConnection.HTTP_LENGTH_REQUIRED: return "Length Required";
        case HttpURLConnection.HTTP_PRECON_FAILED: return "Precondition Failed";
        case HttpURLConnection.HTTP_ENTITY_TOO_LARGE: return "Request Entity Too Large";
        case HttpURLConnection.HTTP_REQ_TOO_LONG: return "Request-URI Too Large";
        case HttpURLConnection.HTTP_UNSUPPORTED_TYPE: return "Unsupported Media Type";

        // 5xx
        case HttpURLConnection.HTTP_INTERNAL_ERROR: return "Internal Server Error";
        case HttpURLConnection.HTTP_NOT_IMPLEMENTED: return "Not Implemented";
        case HttpURLConnection.HTTP_BAD_GATEWAY: return "Bad Gateway";
        case HttpURLConnection.HTTP_UNAVAILABLE: return "Service Unavailable";
        case HttpURLConnection.HTTP_GATEWAY_TIMEOUT: return "Gateway Timeout";
        case HttpURLConnection.HTTP_VERSION: return "Version Not Supported";

        default: return "unknown";
    }
}
 

private void getVisitCookie() throws IOException, InterruptedException {
    ConnUrl = new URL(mUrl);
    mGetMainConn = (HttpURLConnection) ConnUrl.openConnection();
    mGetMainConn.setRequestMethod("GET");
    mGetMainConn.setConnectTimeout(CONN_TIMEOUT);
    mGetMainConn.setReadTimeout(CONN_TIMEOUT);
    if (!TextUtils.isEmpty(mUser_agent)){
        mGetMainConn.setRequestProperty("user-agent",mUser_agent);
    }
    mGetMainConn.setRequestProperty("accept",ACCEPT);
    mGetMainConn.setRequestProperty("referer", mUrl);
    if (mCookieList!=null&&mCookieList.size()>0){
        mGetMainConn.setRequestProperty("cookie",listToString(mCookieList));
    }
    mGetMainConn.setUseCaches(false);
    mGetMainConn.connect();
    switch (mGetMainConn.getResponseCode()){
        case HttpURLConnection.HTTP_OK:
            e("MainUrl","visit website success");
            mCookieList = mCookieManager.getCookieStore().getCookies();
            checkCookie(mCookieList);
            return;
        case HttpURLConnection.HTTP_MOVED_PERM:
        case HttpURLConnection.HTTP_MOVED_TEMP:
            hasNewUrl = true;
            mUrl = mGetMainConn.getHeaderField("Location");
            mCookieList = mCookieManager.getCookieStore().getCookies();
            checkCookie(mCookieList);
            e("MainUrl","HTTP 301 :"+mUrl);
            return;
        case HttpURLConnection.HTTP_FORBIDDEN:
            e("MainUrl","IP block or cookie err");
            return;
        case HttpURLConnection.HTTP_UNAVAILABLE:
            InputStream mInputStream = mCheckConn.getErrorStream();
            BufferedReader mBufferedReader = new BufferedReader(new InputStreamReader(mInputStream));
            StringBuilder sb = new StringBuilder();
            String str;
            while ((str = mBufferedReader.readLine()) != null){
                sb.append(str);
            }
            mInputStream.close();
            mBufferedReader.close();
            mCookieList = mCookieManager.getCookieStore().getCookies();
            str = sb.toString();
            getCheckAnswer(str);
            break;
        default:
            e("MainUrl","UnCatch Http code: "+mGetMainConn.getHeaderField("Location"));
            break;
    }
}
 

/**
 * Translates the specified HTTP status code into a storage exception.
 * 
 * @param statusCode
 *            The HTTP status code returned by the operation.
 * @param statusDescription
 *            A <code>String</code> that represents the status description.
 * @param inner
 *            An <code>Exception</code> object that represents a reference to the initial exception, if one exists.
 * 
 * @return A <code>StorageException</code> object that represents translated exception.
 **/
protected static StorageException translateFromHttpStatus(final int statusCode, final String statusDescription,
        final Exception inner) {
    String errorCode;
    switch (statusCode) {
    case HttpURLConnection.HTTP_FORBIDDEN:
        errorCode = StorageErrorCode.ACCESS_DENIED.toString();
        break;
    case HttpURLConnection.HTTP_GONE:
    case HttpURLConnection.HTTP_NOT_FOUND:
        errorCode = StorageErrorCode.RESOURCE_NOT_FOUND.toString();
        break;
    case 416:
    case HttpURLConnection.HTTP_BAD_REQUEST:
        // 416: RequestedRangeNotSatisfiable - No corresponding enum in HttpURLConnection
        errorCode = StorageErrorCode.BAD_REQUEST.toString();
        break;

    case HttpURLConnection.HTTP_PRECON_FAILED:
    case HttpURLConnection.HTTP_NOT_MODIFIED:
        errorCode = StorageErrorCode.CONDITION_FAILED.toString();
        break;

    case HttpURLConnection.HTTP_CONFLICT:
        errorCode = StorageErrorCode.RESOURCE_ALREADY_EXISTS.toString();
        break;

    case HttpURLConnection.HTTP_UNAVAILABLE:
        errorCode = StorageErrorCode.SERVER_BUSY.toString();
        break;

    case HttpURLConnection.HTTP_GATEWAY_TIMEOUT:
        errorCode = StorageErrorCode.SERVICE_TIMEOUT.toString();
        break;

    case HttpURLConnection.HTTP_INTERNAL_ERROR:
        errorCode = StorageErrorCode.SERVICE_INTERNAL_ERROR.toString();
        break;

    case HttpURLConnection.HTTP_NOT_IMPLEMENTED:
        errorCode = StorageErrorCode.NOT_IMPLEMENTED.toString();
        break;

    case HttpURLConnection.HTTP_BAD_GATEWAY:
        errorCode = StorageErrorCode.BAD_GATEWAY.toString();
        break;

    case HttpURLConnection.HTTP_VERSION:
        errorCode = StorageErrorCode.HTTP_VERSION_NOT_SUPPORTED.toString();
        break;
    default:
        errorCode = null;
    }

    if (errorCode == null) {
        return null;
    } else {
        return new StorageException(errorCode, statusDescription, statusCode, null, inner);
    }
}
 

public MetricRegistryJson fetchLatestAggregatedMetrics(
    PipelineConfiguration pipelineConfiguration,
    RuleDefinitionsJson ruleDefJson,
    List<Stage.ConfigIssue> issues
) {
  // fetch last persisted metrics for the following counters, timers, meters and histograms
  MetricRegistryJson metricRegistryJson = buildMetricRegistryJson(pipelineConfiguration, ruleDefJson);

  client = ClientBuilder.newBuilder().build();
  client.register(new CsrfProtectionFilter("CSRF"));
  client.register(GZipEncoder.class);
  target = client.target(targetUrl);
  Entity<MetricRegistryJson> metricRegistryJsonEntity = Entity.json(metricRegistryJson);
  String errorResponseMessage = null;
  int delaySecs = 1;
  int attempts = 0;

  // Wait for a few random seconds before starting the stopwatch
  int waitSeconds = new Random().nextInt(60);
  try {
    Thread.sleep(waitSeconds * 1000);
  } catch (InterruptedException e) {
    // No-op
  }

  while (attempts < retryAttempts || retryAttempts == -1) {
    if (attempts > 0) {
      delaySecs = delaySecs * 2;
      delaySecs = Math.min(delaySecs, 60);
      LOG.warn("DPM fetchLatestAggregatedMetrics attempt '{}', waiting for '{}' seconds before retrying ...",
          attempts, delaySecs);
      StatsUtil.sleep(delaySecs);
    }
    attempts++;

    Response response = null;
    try {
      response = target
          .queryParam("jobId", jobId)
          .queryParam("pipelineId", pipelineId)
          .queryParam("pipelineVersion", pipelineVersion)
          .request()
          .header(SSOConstants.X_REST_CALL, SSOConstants.SDC_COMPONENT_NAME)
          .header(SSOConstants.X_APP_AUTH_TOKEN, authToken.replaceAll("(\\r|\\n)", ""))
          .header(SSOConstants.X_APP_COMPONENT_ID, appComponentId)
          .post(metricRegistryJsonEntity);

      if (response.getStatus() == HttpURLConnection.HTTP_OK) {
        metricRegistryJson = response.readEntity(MetricRegistryJson.class);
        break;
      } else if (response.getStatus() == HttpURLConnection.HTTP_UNAVAILABLE) {
        errorResponseMessage = "Error requesting latest stats from time-series app: DPM unavailable";
        LOG.warn(errorResponseMessage);
        metricRegistryJson = null;
      }  else if (response.getStatus() == HttpURLConnection.HTTP_FORBIDDEN) {
        errorResponseMessage = response.readEntity(String.class);
        LOG.error(Utils.format(Errors.STATS_02.getMessage(), errorResponseMessage));
        metricRegistryJson = null;
        break;
      } else {
        errorResponseMessage = response.readEntity(String.class);
        LOG.warn("Error requesting latest stats from time-series app, HTTP status '{}': {}",
            response.getStatus(), errorResponseMessage);
        metricRegistryJson = null;
      }
    } catch (Exception ex) {
      errorResponseMessage = ex.toString();
      LOG.warn("Error requesting latest stats from time-series app : {}", ex.toString());
      metricRegistryJson = null;
    }  finally {
      if (response != null) {
        response.close();
      }
    }
  }

  if (metricRegistryJson == null) {
    issues.add(
        context.createConfigIssue(
            Groups.STATS.getLabel(),
            "targetUrl",
            Errors.STATS_02,
            errorResponseMessage
        )
    );
  }

  return metricRegistryJson;
}
 

/**
 * Constructor.
 *
 * @param msg   human readable message
 * @param cause reason for this exception
 */
public GenieServerUnavailableException(final String msg, final Throwable cause) {
    super(HttpURLConnection.HTTP_UNAVAILABLE, msg, cause);
}
 

/**
 * Constructor.
 *
 * @param msg human readable message
 */
public GenieServerUnavailableException(final String msg) {
    super(HttpURLConnection.HTTP_UNAVAILABLE, msg);
}